†subfamily Paleopsephurinae (paddlefish)
Osteichthyes - Acipenseriformes - Polyodontidae
Parent taxon: Polyodonti according to L. Grande and W. E. Bemis 1996
Sister taxa: none
Subtaxa: Paleopsephurus
Type: Paleopsephurus
Ecology: nektobenthic carnivore
Distribution:
• Paleocene of United States (1: Montana collection)
• Cretaceous of United States (5: Montana, New Mexico, Wyoming)
Total: 6 collections each including a single occurrence